Dark Mercury, who has also been referred to sa pamamagitan ng the unofficial nicknames of Darkury or Dark Sailor Mercury outside of the series, was the evil form of Sailor Mercury who appeared only in Pretty Guardian Sailor Moon. She first appeared in Act 21, after Sailor Mercury was kidnapped and brainwashed sa pamamagitan ng Kunzite.
At first, she appeared like a normal, but palamigan Ami (dubbed "Akumi" (悪美; meaning "Evil Beauty") sa pamamagitan ng the series production staff). But shortly thereafter she transformed into Dark Mercury, much to the horror of the other Sailor Senshi.
She was often disrespectful toward Kunzite and the other...